U.S. ICD-10-CM · FY 2027

E00 ICD-10-CM Code: Congenital iodine-deficiency syndrome

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

E00

Congenital iodine-deficiency syndrome

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where E00 sits

  1. 1

    Chapter 4

    Endocrine, nutritional and metabolic diseases (E00-E89)

  2. 2

    Section

    Disorders of thyroid gland (E00-E07)

  3. 3

    Category E00

    Congenital iodine-deficiency syndrome

  4. 4

    Code E00

    Congenital iodine-deficiency syndrome

More specific choices

Codes under E00

E00 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for E00.

Code first

No “code first” instruction is listed for E00.

Use additional code

  • code (F70-F79) to identify associated intellectual disabilities.

Excludes1

Conditions that should not be reported together with this code.

  • subclinical iodine-deficiency hypothyroidism (E02)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for E00.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code E00 mean?

E00 is the FY 2027 U.S. ICD-10-CM code for “Congenital iodine-deficiency syndrome.”

Is E00 a billable or specific ICD-10-CM code?

No. E00 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is E00 located in ICD-10-CM?

E00 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Disorders of thyroid gland (E00-E07) (E00–E07), under category E00, Congenital iodine-deficiency syndrome.

What coding notes are listed for E00?

No inclusion terms are listed for E00 in this reference record. No code-first instruction is listed. Additional-code instructions: code (F70-F79) to identify associated intellectual disabilities.. Excludes1 notes: subclinical iodine-deficiency hypothyroidism (E02). No Excludes2 note is listed.

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